Find Information About:

Drugs & Supplements

Get information and reviews on prescription drugs, over-the-counter medications, vitamins, and supplements. Search by name or medical condition.

Pill Identifier

Pill Identifier

Having trouble identifying your pills?

Enter the shape, color, or imprint of your prescription or OTC drug. Our pill identification tool will display pictures that you can compare to your pill.

Get Started

My Medicine

Save your medicine, check interactions, sign up for FDA alerts, create family profiles and more.

Get Started

WebMD Health Experts and Community

Talk to health experts and other people like you in WebMD's Communities. It's a safe forum where you can create or participate in support groups and discussions about health topics that interest you.

  • Second Opinion

    Second Opinion

    Read expert perspectives on popular health topics.

  • Community


    Connect with people like you, and get expert guidance on living a healthy life.

Got a health question? Get answers provided by leading organizations, doctors, and experts.

Get Answers

Sign up to receive WebMD's award-winning content delivered to your inbox.

Sign Up

Eye Health Center

Font Size

Radial Keratotomy Eye Surgery

Radial keratotomy (RK) was once one of the most frequently used surgical procedures to correct nearsightedness. However, since the development of more effective vision repair procedures, such as LASEK, LASIK and PRK, RK is considered an outdated procedure.

To better understand your options, see Am I a Candidate for Refractive or Laser Eye Surgery?

Recommended Related to Eye Health

Eyeglasses That Do the Job

Have you been wearing the same pair of eyeglasses every day for work, sports, hobbies, driving, reading, and/or watching TV? If so, you may not be getting all the vision help glasses can offer. Here's where you can learn about the different types of lenses available in eyeglasses for various lifestyle activities.

Read the Eyeglasses That Do the Job article > >

WebMD Medical Reference

Reviewed by Brian S. Boxer Wachler, MD on March 06, 2014

Today on WebMD

Woman holding tissue to reddened eye
Learn about causes, symptoms, and treatments.
Simple annoyance or the sign of a problem?
red eyes
Symptoms, triggers, and treatments.
blue eye with contact lens
Tips for wearing and caring.
Understanding Stye
human eye
eye exam timing
vision test
is vision correction surgery for you
high tech contacts
eye drop